Add JS value dumper

src/ska/helpers.py

@@ -1,5 +1,6 @@
 from datetime import datetime, timedelta
 from importlib import import_module
+import json
 import time
 from typing import Callable, Dict, List, Tuple, Union, Optional
 from urllib.parse import quote
@@ -10,13 +11,14 @@
 __copyright__ = "2013-2021 Artur Barseghyan"
 __license__ = "GPL 2.0/LGPL 2.1"
 __all__ = (
-    "get_callback_func",
     "default_value_dumper",
     "dict_keys",
     "dict_to_ordered_list",
-    "sorted_urlencode",
     "extract_signed_data",
+    "get_callback_func",
+    "javascript_value_dumper",
     "make_valid_until",
+    "sorted_urlencode",
 )
 
 
@@ -92,6 +94,13 @@ def default_value_dumper(value):
     return value
 
 
+def javascript_value_dumper(value):
+    if isinstance(value, (int, float, str)):
+        return value
+    else:
+        return json.dumps(value, separators=(",", ":"))
+
+
 def sorted_urlencode(
     data: Dict[str, Union[bytes, str, float, int]],
     quoted: bool = True,

src/ska/shortcuts.py

@@ -245,7 +245,9 @@ def validate_signed_request_data(
     )
 
     validation_result = request_helper.validate_request_data(
-        data=data, secret_key=secret_key, value_dumper=value_dumper,
+        data=data,
+        secret_key=secret_key,
+        value_dumper=value_dumper,
     )
 
     return validation_result